/Engine/Plugins/EnhancedInput/Source/EnhancedInput/Public/InputTriggers.h
UInputTriggerHoldTrigger fires once input has remained actuated for HoldTimeThreshold seconds. Trigger may optionally fire once, or repeatedly fire.
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(NotBlueprintable, MinimalAPI, Meta=(DisplayName="Hold")) class UInputTriggerHold : public [UInputTriggerTimedBase](API\Plugins\EnhancedInput\UInputTriggerTimedBase)
bool
bIsOneShot
Should this trigger fire only once, or fire every frame once the hold time threshold is met?
float
HoldTimeThreshold
How long does the input have to be held to cause trigger?